Once you look past her eye-catching bottom, Khloe's waist is indeed astonishingly slender – and it's all down to special undergarments.

Khloe was wearing a waist trainer, a corset which can reduce the width of your waist to create an exaggerated hourglass look beneath clothing.

The website, What's A Waist, which Khlo is so fond of reads: "Wearing waist training garments over a long period of time can change your body shape, and not just while you're actually wearing the corset.